1 /* 2 * QEMU Crystal CS4231 audio chip emulation 3 * 4 * Copyright (c) 2006 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "hw/hw.h" 25 #include "hw/audio/audio.h" 26 #include "audio/audio.h" 27 #include "hw/isa/isa.h" 28 #include "hw/qdev.h" 29 #include "qemu/timer.h" 30 31 /* 32 Missing features: 33 ADC 34 Loopback 35 Timer 36 ADPCM 37 More... 38 */ 39 40 /* #define DEBUG */ 41 /* #define DEBUG_XLAW */ 42 43 static struct { 44 int aci_counter; 45 } conf = {1}; 46 47 #ifdef DEBUG 48 #define dolog(...) AUD_log ("cs4231a", __VA_ARGS__) 49 #else 50 #define dolog(...) 51 #endif 52 53 #define lwarn(...) AUD_log ("cs4231a", "warning: " __VA_ARGS__) 54 #define lerr(...) AUD_log ("cs4231a", "error: " __VA_ARGS__) 55 56 #define CS_REGS 16 57 #define CS_DREGS 32 58 59 #define TYPE_CS4231A "cs4231a" 60 #define CS4231A(obj) OBJECT_CHECK (CSState, (obj), TYPE_CS4231A) 61 62 typedef struct CSState { 63 ISADevice dev; 64 QEMUSoundCard card; 65 MemoryRegion ioports; 66 qemu_irq pic; 67 uint32_t regs[CS_REGS]; 68 uint8_t dregs[CS_DREGS]; 69 uint32_t irq; 70 uint32_t dma; 71 uint32_t port; 72 int shift; 73 int dma_running; 74 int audio_free; 75 int transferred; 76 int aci_counter; 77 SWVoiceOut *voice; 78 int16_t *tab; 79 } CSState; 80 81 #define MODE2 (1 << 6) 82 #define MCE (1 << 6) 83 #define PMCE (1 << 4) 84 #define CMCE (1 << 5) 85 #define TE (1 << 6) 86 #define PEN (1 << 0) 87 #define INT (1 << 0) 88 #define IEN (1 << 1) 89 #define PPIO (1 << 6) 90 #define PI (1 << 4) 91 #define CI (1 << 5) 92 #define TI (1 << 6) 93 94 enum { 95 Index_Address, 96 Index_Data, 97 Status, 98 PIO_Data 99 }; 100 101 enum { 102 Left_ADC_Input_Control, 103 Right_ADC_Input_Control, 104 Left_AUX1_Input_Control, 105 Right_AUX1_Input_Control, 106 Left_AUX2_Input_Control, 107 Right_AUX2_Input_Control, 108 Left_DAC_Output_Control, 109 Right_DAC_Output_Control, 110 FS_And_Playback_Data_Format, 111 Interface_Configuration, 112 Pin_Control, 113 Error_Status_And_Initialization, 114 MODE_And_ID, 115 Loopback_Control, 116 Playback_Upper_Base_Count, 117 Playback_Lower_Base_Count, 118 Alternate_Feature_Enable_I, 119 Alternate_Feature_Enable_II, 120 Left_Line_Input_Control, 121 Right_Line_Input_Control, 122 Timer_Low_Base, 123 Timer_High_Base, 124 RESERVED, 125 Alternate_Feature_Enable_III, 126 Alternate_Feature_Status, 127 Version_Chip_ID, 128 Mono_Input_And_Output_Control, 129 RESERVED_2, 130 Capture_Data_Format, 131 RESERVED_3, 132 Capture_Upper_Base_Count, 133 Capture_Lower_Base_Count 134 }; 135 136 static int freqs[2][8] = { 137 { 8000, 16000, 27420, 32000, -1, -1, 48000, 9000 }, 138 { 5510, 11025, 18900, 22050, 37800, 44100, 33075, 6620 } 139 }; 140 141 /* Tables courtesy http://hazelware.luggle.com/tutorials/mulawcompression.html */ 142 static int16_t MuLawDecompressTable[256] = 143 { 144 -32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956, 145 -23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764, 146 -15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412, 147 -11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316, 148 -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140, 149 -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092, 150 -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004, 151 -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980, 152 -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436, 153 -1372, -1308, -1244, -1180, -1116, -1052, -988, -924, 154 -876, -844, -812, -780, -748, -716, -684, -652, 155 -620, -588, -556, -524, -492, -460, -428, -396, 156 -372, -356, -340, -324, -308, -292, -276, -260, 157 -244, -228, -212, -196, -180, -164, -148, -132, 158 -120, -112, -104, -96, -88, -80, -72, -64, 159 -56, -48, -40, -32, -24, -16, -8, 0, 160 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956, 161 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764, 162 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412, 163 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316, 164 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140, 165 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092, 166 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004, 167 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980, 168 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436, 169 1372, 1308, 1244, 1180, 1116, 1052, 988, 924, 170 876, 844, 812, 780, 748, 716, 684, 652, 171 620, 588, 556, 524, 492, 460, 428, 396, 172 372, 356, 340, 324, 308, 292, 276, 260, 173 244, 228, 212, 196, 180, 164, 148, 132, 174 120, 112, 104, 96, 88, 80, 72, 64, 175 56, 48, 40, 32, 24, 16, 8, 0 176 }; 177 178 static int16_t ALawDecompressTable[256] = 179 { 180 -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736, 181 -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784, 182 -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368, 183 -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392, 184 -22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944, 185 -30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136, 186 -11008,-10496,-12032,-11520,-8960, -8448, -9984, -9472, 187 -15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568, 188 -344, -328, -376, -360, -280, -264, -312, -296, 189 -472, -456, -504, -488, -408, -392, -440, -424, 190 -88, -72, -120, -104, -24, -8, -56, -40, 191 -216, -200, -248, -232, -152, -136, -184, -168, 192 -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184, 193 -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696, 194 -688, -656, -752, -720, -560, -528, -624, -592, 195 -944, -912, -1008, -976, -816, -784, -880, -848, 196 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, 197 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, 198 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, 199 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, 200 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, 201 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, 202 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, 203 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, 204 344, 328, 376, 360, 280, 264, 312, 296, 205 472, 456, 504, 488, 408, 392, 440, 424, 206 88, 72, 120, 104, 24, 8, 56, 40, 207 216, 200, 248, 232, 152, 136, 184, 168, 208 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, 209 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, 210 688, 656, 752, 720, 560, 528, 624, 592, 211 944, 912, 1008, 976, 816, 784, 880, 848 212 }; 213 214 static void cs4231a_reset (DeviceState *dev) 215 { 216 CSState *s = CS4231A (dev); 217 218 s->regs[Index_Address] = 0x40; 219 s->regs[Index_Data] = 0x00; 220 s->regs[Status] = 0x00; 221 s->regs[PIO_Data] = 0x00; 222 223 s->dregs[Left_ADC_Input_Control] = 0x00; 224 s->dregs[Right_ADC_Input_Control] = 0x00; 225 s->dregs[Left_AUX1_Input_Control] = 0x88; 226 s->dregs[Right_AUX1_Input_Control] = 0x88; 227 s->dregs[Left_AUX2_Input_Control] = 0x88; 228 s->dregs[Right_AUX2_Input_Control] = 0x88; 229 s->dregs[Left_DAC_Output_Control] = 0x80; 230 s->dregs[Right_DAC_Output_Control] = 0x80; 231 s->dregs[FS_And_Playback_Data_Format] = 0x00; 232 s->dregs[Interface_Configuration] = 0x08; 233 s->dregs[Pin_Control] = 0x00; 234 s->dregs[Error_Status_And_Initialization] = 0x00; 235 s->dregs[MODE_And_ID] = 0x8a; 236 s->dregs[Loopback_Control] = 0x00; 237 s->dregs[Playback_Upper_Base_Count] = 0x00; 238 s->dregs[Playback_Lower_Base_Count] = 0x00; 239 s->dregs[Alternate_Feature_Enable_I] = 0x00; 240 s->dregs[Alternate_Feature_Enable_II] = 0x00; 241 s->dregs[Left_Line_Input_Control] = 0x88; 242 s->dregs[Right_Line_Input_Control] = 0x88; 243 s->dregs[Timer_Low_Base] = 0x00; 244 s->dregs[Timer_High_Base] = 0x00; 245 s->dregs[RESERVED] = 0x00; 246 s->dregs[Alternate_Feature_Enable_III] = 0x00; 247 s->dregs[Alternate_Feature_Status] = 0x00; 248 s->dregs[Version_Chip_ID] = 0xa0; 249 s->dregs[Mono_Input_And_Output_Control] = 0xa0; 250 s->dregs[RESERVED_2] = 0x00; 251 s->dregs[Capture_Data_Format] = 0x00; 252 s->dregs[RESERVED_3] = 0x00; 253 s->dregs[Capture_Upper_Base_Count] = 0x00; 254 s->dregs[Capture_Lower_Base_Count] = 0x00; 255 } 256 257 static void cs_audio_callback (void *opaque, int free) 258 { 259 CSState *s = opaque; 260 s->audio_free = free; 261 } 262 263 static void cs_reset_voices (CSState *s, uint32_t val) 264 { 265 int xtal; 266 struct audsettings as; 267 268 #ifdef DEBUG_XLAW 269 if (val == 0 || val == 32) 270 val = (1 << 4) | (1 << 5); 271 #endif 272 273 xtal = val & 1; 274 as.freq = freqs[xtal][(val >> 1) & 7]; 275 276 if (as.freq == -1) { 277 lerr ("unsupported frequency (val=%#x)\n", val); 278 goto error; 279 } 280 281 as.nchannels = (val & (1 << 4)) ? 2 : 1; 282 as.endianness = 0; 283 s->tab = NULL; 284 285 switch ((val >> 5) & ((s->dregs[MODE_And_ID] & MODE2) ? 7 : 3)) { 286 case 0: 287 as.fmt = AUD_FMT_U8; 288 s->shift = as.nchannels == 2; 289 break; 290 291 case 1: 292 s->tab = MuLawDecompressTable; 293 goto x_law; 294 case 3: 295 s->tab = ALawDecompressTable; 296 x_law: 297 as.fmt = AUD_FMT_S16; 298 as.endianness = AUDIO_HOST_ENDIANNESS; 299 s->shift = as.nchannels == 2; 300 break; 301 302 case 6: 303 as.endianness = 1; 304 case 2: 305 as.fmt = AUD_FMT_S16; 306 s->shift = as.nchannels; 307 break; 308 309 case 7: 310 case 4: 311 lerr ("attempt to use reserved format value (%#x)\n", val); 312 goto error; 313 314 case 5: 315 lerr ("ADPCM 4 bit IMA compatible format is not supported\n"); 316 goto error; 317 } 318 319 s->voice = AUD_open_out ( 320 &s->card, 321 s->voice, 322 "cs4231a", 323 s, 324 cs_audio_callback, 325 &as 326 ); 327 328 if (s->dregs[Interface_Configuration] & PEN) { 329 if (!s->dma_running) { 330 DMA_hold_DREQ (s->dma); 331 AUD_set_active_out (s->voice, 1); 332 s->transferred = 0; 333 } 334 s->dma_running = 1; 335 } 336 else { 337 if (s->dma_running) { 338 DMA_release_DREQ (s->dma); 339 AUD_set_active_out (s->voice, 0); 340 } 341 s->dma_running = 0; 342 } 343 return; 344 345 error: 346 if (s->dma_running) { 347 DMA_release_DREQ (s->dma); 348 AUD_set_active_out (s->voice, 0); 349 } 350 } 351 352 static uint64_t cs_read (void *opaque, hwaddr addr, unsigned size) 353 { 354 CSState *s = opaque; 355 uint32_t saddr, iaddr, ret; 356 357 saddr = addr; 358 iaddr = ~0U; 359 360 switch (saddr) { 361 case Index_Address: 362 ret = s->regs[saddr] & ~0x80; 363 break; 364 365 case Index_Data: 366 if (!(s->dregs[MODE_And_ID] & MODE2)) 367 iaddr = s->regs[Index_Address] & 0x0f; 368 else 369 iaddr = s->regs[Index_Address] & 0x1f; 370 371 ret = s->dregs[iaddr]; 372 if (iaddr == Error_Status_And_Initialization) { 373 /* keep SEAL happy */ 374 if (s->aci_counter) { 375 ret |= 1 << 5; 376 s->aci_counter -= 1; 377 } 378 } 379 break; 380 381 default: 382 ret = s->regs[saddr]; 383 break; 384 } 385 dolog ("read %d:%d -> %d\n", saddr, iaddr, ret); 386 return ret; 387 } 388 389 static void cs_write (void *opaque, hwaddr addr, 390 uint64_t val64, unsigned size) 391 { 392 CSState *s = opaque; 393 uint32_t saddr, iaddr, val; 394 395 saddr = addr; 396 val = val64; 397 398 switch (saddr) { 399 case Index_Address: 400 if (!(s->regs[Index_Address] & MCE) && (val & MCE) 401 && (s->dregs[Interface_Configuration] & (3 << 3))) 402 s->aci_counter = conf.aci_counter; 403 404 s->regs[Index_Address] = val & ~(1 << 7); 405 break; 406 407 case Index_Data: 408 if (!(s->dregs[MODE_And_ID] & MODE2)) 409 iaddr = s->regs[Index_Address] & 0x0f; 410 else 411 iaddr = s->regs[Index_Address] & 0x1f; 412 413 switch (iaddr) { 414 case RESERVED: 415 case RESERVED_2: 416 case RESERVED_3: 417 lwarn ("attempt to write %#x to reserved indirect register %d\n", 418 val, iaddr); 419 break; 420 421 case FS_And_Playback_Data_Format: 422 if (s->regs[Index_Address] & MCE) { 423 cs_reset_voices (s, val); 424 } 425 else { 426 if (s->dregs[Alternate_Feature_Status] & PMCE) { 427 val = (val & ~0x0f) | (s->dregs[iaddr] & 0x0f); 428 cs_reset_voices (s, val); 429 } 430 else { 431 lwarn ("[P]MCE(%#x, %#x) is not set, val=%#x\n", 432 s->regs[Index_Address], 433 s->dregs[Alternate_Feature_Status], 434 val); 435 break; 436 } 437 } 438 s->dregs[iaddr] = val; 439 break; 440 441 case Interface_Configuration: 442 val &= ~(1 << 5); /* D5 is reserved */ 443 s->dregs[iaddr] = val; 444 if (val & PPIO) { 445 lwarn ("PIO is not supported (%#x)\n", val); 446 break; 447 } 448 if (val & PEN) { 449 if (!s->dma_running) { 450 cs_reset_voices (s, s->dregs[FS_And_Playback_Data_Format]); 451 } 452 } 453 else { 454 if (s->dma_running) { 455 DMA_release_DREQ (s->dma); 456 AUD_set_active_out (s->voice, 0); 457 s->dma_running = 0; 458 } 459 } 460 break; 461 462 case Error_Status_And_Initialization: 463 lwarn ("attempt to write to read only register %d\n", iaddr); 464 break; 465 466 case MODE_And_ID: 467 dolog ("val=%#x\n", val); 468 if (val & MODE2) 469 s->dregs[iaddr] |= MODE2; 470 else 471 s->dregs[iaddr] &= ~MODE2; 472 break; 473 474 case Alternate_Feature_Enable_I: 475 if (val & TE) 476 lerr ("timer is not yet supported\n"); 477 s->dregs[iaddr] = val; 478 break; 479 480 case Alternate_Feature_Status: 481 if ((s->dregs[iaddr] & PI) && !(val & PI)) { 482 /* XXX: TI CI */ 483 qemu_irq_lower (s->pic); 484 s->regs[Status] &= ~INT; 485 } 486 s->dregs[iaddr] = val; 487 break; 488 489 case Version_Chip_ID: 490 lwarn ("write to Version_Chip_ID register %#x\n", val); 491 s->dregs[iaddr] = val; 492 break; 493 494 default: 495 s->dregs[iaddr] = val; 496 break; 497 } 498 dolog ("written value %#x to indirect register %d\n", val, iaddr); 499 break; 500 501 case Status: 502 if (s->regs[Status] & INT) { 503 qemu_irq_lower (s->pic); 504 } 505 s->regs[Status] &= ~INT; 506 s->dregs[Alternate_Feature_Status] &= ~(PI | CI | TI); 507 break; 508 509 case PIO_Data: 510 lwarn ("attempt to write value %#x to PIO register\n", val); 511 break; 512 } 513 } 514 515 static int cs_write_audio (CSState *s, int nchan, int dma_pos, 516 int dma_len, int len) 517 { 518 int temp, net; 519 uint8_t tmpbuf[4096]; 520 521 temp = len; 522 net = 0; 523 524 while (temp) { 525 int left = dma_len - dma_pos; 526 int copied; 527 size_t to_copy; 528 529 to_copy = audio_MIN (temp, left); 530 if (to_copy > sizeof (tmpbuf)) { 531 to_copy = sizeof (tmpbuf); 532 } 533 534 copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy); 535 if (s->tab) { 536 int i; 537 int16_t linbuf[4096]; 538 539 for (i = 0; i < copied; ++i) 540 linbuf[i] = s->tab[tmpbuf[i]]; 541 copied = AUD_write (s->voice, linbuf, copied << 1); 542 copied >>= 1; 543 } 544 else { 545 copied = AUD_write (s->voice, tmpbuf, copied); 546 } 547 548 temp -= copied; 549 dma_pos = (dma_pos + copied) % dma_len; 550 net += copied; 551 552 if (!copied) { 553 break; 554 } 555 } 556 557 return net; 558 } 559 560 static int cs_dma_read (void *opaque, int nchan, int dma_pos, int dma_len) 561 { 562 CSState *s = opaque; 563 int copy, written; 564 int till = -1; 565 566 copy = s->voice ? (s->audio_free >> (s->tab != NULL)) : dma_len; 567 568 if (s->dregs[Pin_Control] & IEN) { 569 till = (s->dregs[Playback_Lower_Base_Count] 570 | (s->dregs[Playback_Upper_Base_Count] << 8)) << s->shift; 571 till -= s->transferred; 572 copy = audio_MIN (till, copy); 573 } 574 575 if ((copy <= 0) || (dma_len <= 0)) { 576 return dma_pos; 577 } 578 579 written = cs_write_audio (s, nchan, dma_pos, dma_len, copy); 580 581 dma_pos = (dma_pos + written) % dma_len; 582 s->audio_free -= (written << (s->tab != NULL)); 583 584 if (written == till) { 585 s->regs[Status] |= INT; 586 s->dregs[Alternate_Feature_Status] |= PI; 587 s->transferred = 0; 588 qemu_irq_raise (s->pic); 589 } 590 else { 591 s->transferred += written; 592 } 593 594 return dma_pos; 595 } 596 597 static int cs4231a_pre_load (void *opaque) 598 { 599 CSState *s = opaque; 600 601 if (s->dma_running) { 602 DMA_release_DREQ (s->dma); 603 AUD_set_active_out (s->voice, 0); 604 } 605 s->dma_running = 0; 606 return 0; 607 } 608 609 static int cs4231a_post_load (void *opaque, int version_id) 610 { 611 CSState *s = opaque; 612 613 if (s->dma_running && (s->dregs[Interface_Configuration] & PEN)) { 614 s->dma_running = 0; 615 cs_reset_voices (s, s->dregs[FS_And_Playback_Data_Format]); 616 } 617 return 0; 618 } 619 620 static const VMStateDescription vmstate_cs4231a = { 621 .name = "cs4231a", 622 .version_id = 1, 623 .minimum_version_id = 1, 624 .minimum_version_id_old = 1, 625 .pre_load = cs4231a_pre_load, 626 .post_load = cs4231a_post_load, 627 .fields = (VMStateField []) { 628 VMSTATE_UINT32_ARRAY (regs, CSState, CS_REGS), 629 VMSTATE_BUFFER (dregs, CSState), 630 VMSTATE_INT32 (dma_running, CSState), 631 VMSTATE_INT32 (audio_free, CSState), 632 VMSTATE_INT32 (transferred, CSState), 633 VMSTATE_INT32 (aci_counter, CSState), 634 VMSTATE_END_OF_LIST () 635 } 636 }; 637 638 static const MemoryRegionOps cs_ioport_ops = { 639 .read = cs_read, 640 .write = cs_write, 641 .impl = { 642 .min_access_size = 1, 643 .max_access_size = 1, 644 } 645 }; 646 647 static void cs4231a_initfn (Object *obj) 648 { 649 CSState *s = CS4231A (obj); 650 651 memory_region_init_io (&s->ioports, OBJECT(s), &cs_ioport_ops, s, 652 "cs4231a", 4); 653 } 654 655 static void cs4231a_realizefn (DeviceState *dev, Error **errp) 656 { 657 ISADevice *d = ISA_DEVICE (dev); 658 CSState *s = CS4231A (dev); 659 660 isa_init_irq (d, &s->pic, s->irq); 661 662 isa_register_ioport (d, &s->ioports, s->port); 663 664 DMA_register_channel (s->dma, cs_dma_read, s); 665 666 AUD_register_card ("cs4231a", &s->card); 667 } 668 669 static int cs4231a_init (ISABus *bus) 670 { 671 isa_create_simple (bus, TYPE_CS4231A); 672 return 0; 673 } 674 675 static Property cs4231a_properties[] = { 676 DEFINE_PROP_UINT32 ("iobase", CSState, port, 0x534), 677 DEFINE_PROP_UINT32 ("irq", CSState, irq, 9), 678 DEFINE_PROP_UINT32 ("dma", CSState, dma, 3), 679 DEFINE_PROP_END_OF_LIST (), 680 }; 681 682 static void cs4231a_class_initfn (ObjectClass *klass, void *data) 683 { 684 DeviceClass *dc = DEVICE_CLASS (klass); 685 686 dc->realize = cs4231a_realizefn; 687 dc->reset = cs4231a_reset; 688 set_bit(DEVICE_CATEGORY_SOUND, dc->categories); 689 dc->desc = "Crystal Semiconductor CS4231A"; 690 dc->vmsd = &vmstate_cs4231a; 691 dc->props = cs4231a_properties; 692 } 693 694 static const TypeInfo cs4231a_info = { 695 .name = TYPE_CS4231A, 696 .parent = TYPE_ISA_DEVICE, 697 .instance_size = sizeof (CSState), 698 .instance_init = cs4231a_initfn, 699 .class_init = cs4231a_class_initfn, 700 }; 701 702 static void cs4231a_register_types (void) 703 { 704 type_register_static (&cs4231a_info); 705 isa_register_soundhw("cs4231a", "CS4231A", cs4231a_init); 706 } 707 708 type_init (cs4231a_register_types) 709